AMD EPYC 7601 Linux 4.17 I/O Scheduler AMD EPYC 7601 32-Core testing Linux 4.17 I/O schedulers with an Intel Optane 900p SSD. Tests for a future article on Phoronix.com. None: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR (V0.05.B10 BIOS), Chipset: AMD Family 17h, Memory: 8 x 16384 MB DDR4-2666MT/s Samsung M393A2K40BB2-CTD, Disk: 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Monitor: VE228, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 18.04, Kernel: 4.17.0-999-generic (x86_64) 20180521, Desktop: GNOME Shell 3.28.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 MQ-Deadline: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR (V0.05.B10 BIOS), Chipset: AMD Family 17h, Memory: 8 x 16384 MB DDR4-2666MT/s Samsung M393A2K40BB2-CTD, Disk: 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Monitor: VE228, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 18.04, Kernel: 4.17.0-999-generic (x86_64) 20180521, Desktop: GNOME Shell 3.28.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 BFQ low_latency: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR (V0.05.B10 BIOS), Chipset: AMD Family 17h, Memory: 8 x 16384 MB DDR4-2666MT/s Samsung M393A2K40BB2-CTD, Disk: 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Monitor: VE228, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 18.04, Kernel: 4.17.0-999-generic (x86_64) 20180521, Desktop: GNOME Shell 3.28.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 BFQ: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR (V0.05.B10 BIOS), Chipset: AMD Family 17h, Memory: 8 x 16384 MB DDR4-2666MT/s Samsung M393A2K40BB2-CTD, Disk: 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Monitor: VE228, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 18.04, Kernel: 4.17.0-999-generic (x86_64) 20180521, Desktop: GNOME Shell 3.28.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 Kyber: Processor: AMD EPYC 7601 32-Core @ 2.20GHz (32 Cores / 64 Threads), Motherboard: TYAN B8026T70AE24HR (V0.05.B10 BIOS), Chipset: AMD Family 17h, Memory: 8 x 16384 MB DDR4-2666MT/s Samsung M393A2K40BB2-CTD, Disk: 280GB INTEL SSDPE21D280GA, Graphics: ASPEED ASPEED Family, Monitor: VE228, Network: Broadcom Limited NetXtreme BCM5720 Gigabit PCIe OS: Ubuntu 18.04, Kernel: 4.17.0-999-generic (x86_64) 20180521, Desktop: GNOME Shell 3.28.1, Compiler: GCC 7.3.0, File-System: ext4, Screen Resolution: 1920x1080 Application Start-up Time 2.3.0 Background I/O Mix: Only Sequential Reads - Application To Start: GNOME Terminal sec < Lower Is Better None ............ 1.57 |====================================================== MQ-Deadline ..... 1.59 |======================================================= BFQ low_latency . 0.39 |============= BFQ ............. 1.57 |====================================================== Kyber ........... 1.49 |==================================================== Application Start-up Time 2.3.0 Background I/O Mix: Only Sequential Reads - Application To Start: LibreOffice Writer sec < Lower Is Better None ............ 1.52 |======================================================= MQ-Deadline ..... 1.48 |====================================================== BFQ low_latency . 0.38 |============== BFQ ............. 1.48 |====================================================== Kyber ........... 1.46 |===================================================== Application Start-up Time 2.3.0 Background I/O Mix: Sequential Reads + Writes - Application To Start: GNOME Terminal sec < Lower Is Better None ............ 2.08 |=========================================== MQ-Deadline ..... 1.41 |============================= BFQ low_latency . 0.61 |============= BFQ ............. 2.63 |======================================================= Kyber ........... 1.12 |======================= Application Start-up Time 2.3.0 Background I/O Mix: Sequential Reads + Writes - Application To Start: LibreOffice Writer sec < Lower Is Better None ............ 2.03 |================================= MQ-Deadline ..... 1.84 |============================== BFQ low_latency . 0.49 |======== BFQ ............. 3.38 |======================================================= Kyber ........... 1.13 |================== Flexible IO Tester 3.1 Type: Random Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better None ............ 223167 |===================================================== MQ-Deadline ..... 211333 |================================================== BFQ low_latency . 129000 |=============================== BFQ ............. 158000 |====================================== Kyber ........... 212667 |=================================================== Flexible IO Tester 3.1 Type: Random Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better None ............ 206000 |===================================================== MQ-Deadline ..... 195000 |================================================== BFQ low_latency . 143000 |===================================== BFQ ............. 149333 |====================================== Kyber ........... 79567 |==================== Flexible IO Tester 3.1 Type: Sequential Read - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better None ............ 2511 |===================================================== MQ-Deadline ..... 2624 |======================================================= BFQ low_latency . 2625 |======================================================= BFQ ............. 2625 |======================================================= Kyber ........... 2623 |======================================================= Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 2MB - Disk Target: Default Test Directory MB/s > Higher Is Better None ............ 1970 |================================================== MQ-Deadline ..... 2164 |======================================================= BFQ low_latency . 2145 |======================================================= BFQ ............. 2144 |====================================================== Kyber ........... 1647 |========================================== Flexible IO Tester 3.1 Type: Sequential Write - IO Engine: Linux AIO - Buffered: No - Direct: Yes - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better None ............ 805 |======================================================== MQ-Deadline ..... 777 |====================================================== BFQ low_latency . 597 |========================================== BFQ ............. 616 |=========================================== Kyber ........... 299 |===================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better None ............ 530.20 |=================================================== MQ-Deadline ..... 546.57 |===================================================== BFQ low_latency . 395.93 |====================================== BFQ ............. 549.27 |===================================================== Kyber ........... 505.20 |================================================= FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better None ............ 969.87 |============================================== MQ-Deadline ..... 1089.63 |==================================================== BFQ low_latency . 1049.80 |================================================== BFQ ............. 1047.20 |================================================== Kyber ........... 882.00 |========================================== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better None ............ 517.93 |================================================ MQ-Deadline ..... 569.63 |==================================================== BFQ low_latency . 502.90 |============================================== BFQ ............. 577.10 |===================================================== Kyber ........... 510.67 |=============================================== Dbench 4.0 Client Count: 6 MB/s > Higher Is Better None ............ 2490.77 |==================================================== MQ-Deadline ..... 2496.69 |==================================================== BFQ low_latency . 235.28 |===== BFQ ............. 568.96 |============ Kyber ........... 1978.65 |========================================= IOzone 3.465 Record Size: 4Kb - File Size: 8GB - Disk Test: Write Performance MB/s > Higher Is Better None ............ 919.82 |=============================================== MQ-Deadline ..... 1019.39 |==================================================== BFQ low_latency . 955.52 |================================================= BFQ ............. 1013.89 |==================================================== Kyber ........... 792.49 |======================================== Threaded I/O Tester 20170503 Test: Write - Size Per Thread: 128MB - Thread Count: 16 MB/s > Higher Is Better None ............ 199.51 |===================================================== MQ-Deadline ..... 196.06 |==================================================== BFQ low_latency . 81.35 |====================== BFQ ............. 93.53 |========================= Kyber ........... 92.99 |========================= Compile Bench 0.6 Test: Compile MB/s > Higher Is Better None ............ 1648.79 |==================================================== MQ-Deadline ..... 1639.25 |==================================================== BFQ low_latency . 1647.15 |==================================================== BFQ ............. 1645.71 |==================================================== Kyber ........... 1642.01 |==================================================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better None ............ 399.28 |===================================================== MQ-Deadline ..... 398.38 |===================================================== BFQ low_latency . 395.96 |==================================================== BFQ ............. 401.96 |===================================================== Kyber ........... 400.59 |=====================================================